Exports a render target to a blob. The type is automatically picked from exr to png based on the render target.
render target to export
mime type to use. If auto (default), then it will be picked based on the render target type.
index of the texture to use in the render target (only in case of multiple render target)
Exports a render target to a blob. The type is automatically picked from exr to png based on the render target.